2 * Copyright (c) 2016 Brocade Communications Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.datastore.compat;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.base.Optional;
13 import com.google.common.collect.ForwardingObject;
14 import com.google.common.util.concurrent.CheckedFuture;
15 import com.google.common.util.concurrent.ListenableFuture;
16 import com.google.common.util.concurrent.MoreExecutors;
17 import org.eclipse.jdt.annotation.NonNull;
18 import org.opendaylight.controller.cluster.datastore.DistributedDataStoreInterface;
19 import org.opendaylight.controller.md.sal.common.api.MappingCheckedFuture;
20 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
21 import org.opendaylight.controller.sal.core.compat.ReadFailedExceptionAdapter;
22 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
23 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
24 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
25 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
26 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
27 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
28 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
29 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
32 * Adapter between the legacy controller API-based DOMStore and the mdsal API-based DOMStore.
34 * @author Thomas Pantelis
37 public class LegacyDOMStoreAdapter extends ForwardingObject implements DOMStore, AutoCloseable {
38 private final DistributedDataStoreInterface delegate;
40 public LegacyDOMStoreAdapter(DistributedDataStoreInterface delegate) {
41 this.delegate = delegate;
45 public DOMStoreReadTransaction newReadOnlyTransaction() {
46 return new DOMStoreTransactionAdapter(delegate().newReadOnlyTransaction());
50 public DOMStoreWriteTransaction newWriteOnlyTransaction() {
51 return new DOMStoreTransactionAdapter(delegate().newWriteOnlyTransaction());
55 public DOMStoreReadWriteTransaction newReadWriteTransaction() {
56 return new DOMStoreTransactionAdapter(delegate().newReadWriteTransaction());
60 public DOMStoreTransactionChain createTransactionChain() {
61 final org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain delegateChain =
62 delegate().createTransactionChain();
63 return new DOMStoreTransactionChain() {
65 public DOMStoreReadTransaction newReadOnlyTransaction() {
66 return new DOMStoreTransactionAdapter(delegateChain.newReadOnlyTransaction());
70 public DOMStoreWriteTransaction newWriteOnlyTransaction() {
71 return new DOMStoreTransactionAdapter(delegateChain.newWriteOnlyTransaction());
75 public DOMStoreReadWriteTransaction newReadWriteTransaction() {
76 return new DOMStoreTransactionAdapter(delegateChain.newReadWriteTransaction());
81 delegateChain.close();
91 protected DistributedDataStoreInterface delegate() {
95 private static class DOMStoreTransactionAdapter implements DOMStoreReadWriteTransaction {
96 private final org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction readDelegate;
97 private final org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction writeDelegate;
98 private final Object identifier;
100 DOMStoreTransactionAdapter(org.opendaylight.mdsal.dom.spi.store.@NonNull DOMStoreReadTransaction readDelegate) {
101 this.readDelegate = requireNonNull(readDelegate);
102 this.identifier = readDelegate.getIdentifier();
103 this.writeDelegate = null;
106 DOMStoreTransactionAdapter(
107 org.opendaylight.mdsal.dom.spi.store.@NonNull DOMStoreWriteTransaction writeDelegate) {
108 this.writeDelegate = requireNonNull(writeDelegate);
109 this.identifier = writeDelegate.getIdentifier();
110 this.readDelegate = null;
113 DOMStoreTransactionAdapter(
114 org.opendaylight.mdsal.dom.spi.store.@NonNull DOMStoreReadWriteTransaction rwDelegate) {
115 this.readDelegate = requireNonNull(rwDelegate);
116 this.writeDelegate = rwDelegate;
117 this.identifier = readDelegate.getIdentifier();
121 public Object getIdentifier() {
126 public void close() {
127 if (writeDelegate != null) {
128 writeDelegate.close();
130 readDelegate.close();
135 public void write(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
136 writeDelegate.write(path, data);
140 public void merge(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
141 writeDelegate.merge(path, data);
145 public void delete(YangInstanceIdentifier path) {
146 writeDelegate.delete(path);
150 public DOMStoreThreePhaseCommitCohort ready() {
151 final org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort cohort = writeDelegate.ready();
152 return new DOMStoreThreePhaseCommitCohort() {
154 public ListenableFuture<Boolean> canCommit() {
155 return cohort.canCommit();
159 public ListenableFuture<Void> preCommit() {
160 return cohort.preCommit();
164 public ListenableFuture<Void> commit() {
165 return cohort.commit();
169 public ListenableFuture<Void> abort() {
170 return cohort.abort();
176 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(YangInstanceIdentifier path) {
177 return MappingCheckedFuture.create(readDelegate.read(path).transform(
178 Optional::fromJavaUtil, MoreExecutors.directExecutor()), ReadFailedExceptionAdapter.INSTANCE);
182 public CheckedFuture<Boolean, ReadFailedException> exists(YangInstanceIdentifier path) {
183 return MappingCheckedFuture.create(readDelegate.exists(path), ReadFailedExceptionAdapter.INSTANCE);